90404750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{6823}}^1$

素因数の和:6893

約数の個数: 32

約数和(自身を含む): 172456128

約数和(自身を除く): 82051378

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2650, 6625, 6823, 13250, 13646, 34115, 68230, 170575, 341150, 361619, 723238, 852875, 1705750, 1808095, 3616190, 9040475, 18080950, 45202375, 90404750]

約数ペア:

[(1, 90404750), (2, 45202375), (5, 18080950), (10, 9040475), (25, 3616190), (50, 1808095), (53, 1705750), (106, 852875), (125, 723238), (250, 361619), (265, 341150), (530, 170575), (1325, 68230), (2650, 34115), (6625, 13646), (6823, 13250)]